Sound Wall Chart1955
42 x 29 in (107 x 74 cm)
Published and copyright 1955 by W.M. Welch Manufacturing Company, 1515 Sedgwick Street, Chicago 10, Illinois, USA
Description: The scientific and physical properties of sound are explored on this vintage poster from the 1950s. Colorful and detailed drawings accompany explanations, making learning enjoyable and easy.
Condition: Excellent. One of two copies available.
This poster is on paper, but please note that we offer linen-backing for an additional cost. Email us at firstname.lastname@example.org for more details.